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AngioplastyCarotid StenosisClinical Competence
Dr. Geoffrey Christopher Darby, MD
NPI1275929911PAC ID1658802640
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $13,233
- Medical group
- 1
- Insurance carriers
- 14
- Practice address
- 1781 Simpson Street, Kingsburg, CA 93631
- Practice phone
- Call (559) 897-6610
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Adventist Health Primary and Specialty Care - Kingsburg
Rural Health Clinic - Hospital-Owned · Kingsburg, California
Find Dr. Darby's professional email, personal email and mobile number
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Dr. Geoffrey Christopher Darby is a general surgeon in Kingsburg, California
Dr. Darby practices at Adventist Health Primary and Specialty Care - Kingsburg in Kingsburg, California.
Dr. Darby's NPI, 1275929911, was assigned on April 9, 2015. Dr. Darby graduated from UC Irvine School of Medicine in 2014. Dr. Darby holds California license FD6542799.
NPI and contact details
- NPI
- 1275929911NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658802640
- NPI enumeration date
- April 9, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 897-6610
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Geoffrey Christopher Darby practices at Adventist Health Primary and Specialty Care - Kingsburg in Kingsburg, California
Dr. Darby's primary practice is Adventist Health Primary and Specialty Care - Kingsburg, at 1781 Simpson Street, Kingsburg, CA 93631. The practice phone is (559) 897-6610.
- Adventist Health Primary and Specialty Care - Kingsburg1781 Simpson Street, Kingsburg, CA 93631Phone(559) 897-6610
Source: Dmand AI Affiliation Data
Dr. Geoffrey Christopher Darby is affiliated with 2 sites of care and 1 medical group
Dr. Darby's primary practice is Adventist Health Primary and Specialty Care - Kingsburg in Kingsburg, California. Dr. Darby is also affiliated with Adventist Health Hanford. The medical group on file is Adventist Health Reedley. Dr. Darby's employer is on file too: a rural health clinic (rhc).
Adventist Health Primary and Specialty Care - KingsburgPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Geoffrey Christopher Darby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Darby practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Primary and Specialty Care - Kingsburg | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Geoffrey Christopher Darby is one of 2,926 general surgeons in California
Surgery is Dr. Darby's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Darby is board certified in surgery by the American Board of Surgery. Dr. Darby is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Darby
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Geoffrey Christopher Darby's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Darby's median patient age at 52, with 59% women.
Dr. Darby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
How Dr. Geoffrey Christopher Darby takes part in Medicare
Dr. Darby accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
Dr. Geoffrey Christopher Darby has 2 publications on record
Dmand AI links 2 papers to Dr. Darby in 2015. Dr. Darby's most frequent co-authors are Andrew R. Barleben, MD, MPH, Roy Masami Fujitani, MD and David K K. Imagawa, MD.
Papers2
Dr. Darby's most frequent co-authors
- Andrew R. Barleben, MD, MPH1 shared paper
- Roy Masami Fujitani, MD1 shared paper
- David K K. Imagawa, MD1 shared paper
Recent publications by Dr. Darby
Negative-Pressure Wound TherapyPancreaticoduodenectomyPostoperative Care
See who Dr. Darby researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Darby works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Geoffrey Christopher Darby received $13,233 in industry payments from 2017 to 2025
CMS Open Payments shows 48 general payments to Dr. Darby from 9 drug and device companies from 2017 to 2025. Education make up the largest share, 68% of the total. Intuitive Surgical, Inc. paid the most, $9,890.
General payments to Dr. Darby by program year, 2017 to 2025
General payments to Dr. Darby by kind, 2017 to 2025
$13.2Kin total
- Education$9,00068%
- Travel and lodging$2,16716%
- Food and beverage$2,06616%
Companies that paid Dr. Darby the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Geoffrey Christopher Darby graduated from UC Irvine School of Medicine
Dr. Darby graduated from UC Irvine School of Medicine in 2014.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Geoffrey Christopher Darby accepts plans from 14 insurance carriers
Dr. Darby is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Darby accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Geoffrey Christopher Darby's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Geoffrey Christopher Darby
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Geoffrey Christopher Darby's NPI number?
Dr. Geoffrey Christopher Darby's NPI number is 1275929911. It was assigned on April 9, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Geoffrey Christopher Darby?
Dr. Geoffrey Christopher Darby is a general surgeon in Kingsburg, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Geoffrey Christopher Darby practice?
Dr. Darby practices at 1781 Simpson Street, Kingsburg, CA 93631. Dr. Darby's primary practice is Adventist Health Primary and Specialty Care - Kingsburg in Kingsburg, California.
What is Dr. Geoffrey Christopher Darby's office phone number?
The practice phone on file for Dr. Darby is (559) 897-6610.
What is Dr. Geoffrey Christopher Darby's medical license number?
Dr. Darby holds California license FD6542799.
Which hospitals is Dr. Geoffrey Christopher Darby affiliated with?
Dr. Darby is affiliated with Adventist Health Hanford.
What medical group is Dr. Geoffrey Christopher Darby part of?
Dr. Darby is linked to Adventist Health Reedley.
Does Dr. Geoffrey Christopher Darby accept Medicare?
Yes. CMS lists Dr. Darby as accepting Medicare assignment.
Is Dr. Geoffrey Christopher Darby board certified?
Yes. Dr. Darby is board certified in surgery by the American Board of Surgery.
Where did Dr. Geoffrey Christopher Darby go to medical school?
Dr. Darby graduated from UC Irvine School of Medicine in 2014.
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Has Dr. Geoffrey Christopher Darby received payments from drug or device companies?
CMS Open Payments shows $13,233 in general payments to Dr. Darby from 9 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Geoffrey Christopher Darby been practicing?
Dr. Darby graduated from medical school in 2014, 12 years ago.
Does Dr. Geoffrey Christopher Darby do research?
Dmand AI links 2 publications to Dr. Darby.
Who does Dr. Geoffrey Christopher Darby publish with?
Dr. Darby's most frequent co-authors are Andrew R. Barleben, MD, MPH (1 shared paper), Roy Masami Fujitani, MD (1 shared paper) and David K K. Imagawa, MD (1 shared paper).
What insurance does Dr. Geoffrey Christopher Darby accept?
Dr. Darby is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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